Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

The curious minds at What If explore what would happen if there is alien life on Jupiter's moon Europa.

Europa may be one of the most promising places to search for alien life, but it is also one of the hardest moons to explore.

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

It’s a real space oddity. Former Pentagon UFO investigator Luis Elizondo claims the US government possesses unreleased ...

A new study proposes examining Mars and other space samples on the Moon before bringing them to Earth, arguing it would ...

Scientists suggest the Moon could act as a quarantine checkpoint before samples from Mars are brought back to Earth.

NASA’s Viking 1 lander set down in the Chryse Planitia region of Mars. Its identical twin, Viking 2, followed on Sept. 3 of ...

Something is absorbing light on the surfaces of Pluto and Saturn’s moon Titan, and figuring out what it is could be crucial to understanding Titan’s complex chemistry ...